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507788-01C mrcool.com Page 1 of 20
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INSTALLATION INSTRUCTIONS
MAHM*ETA Series Air Handler
(P) 507788-01C
*P507788-01C*
Manufactured By
MRCOOL LLC
Hickory, KY 42051
Table of Contents
.......2
Shipping and Packing List ...........................................3
General........................................................................3
Requirements ..............................................................3
Installation Clearances ................................................4
Installation ...................................................................4
Condensate Drain........................................................6
Duct System and Filters .............................................8
Brazing Refrigerant Lines............................................9
Sealing the Unit .........................................................11
Electrical Connections...............................................11
.........................................15
...............................16
Operation Inspection .................................................16
Operation...................................................................17
Maintenance..............................................................17
Professional Maintenance .........................................17
Cabinet Insulation......................................................18
Use of Air Handler During Construction.....................18
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, personal
injury or loss of life. Installation and service must be
performed by a licensed professional HVAC installer or
equivalent, service agency, or the gas supplier.
WARNING
The Clean Air Act of 1990 bans the intentional venting
of refrigerant (CFCs, HCFCs and HFCs) as of July
1, 1992. Approved methods of recovery, recycling or
may be levied for noncompliance.
IMPORTANT
sheet metal edges can result in personal injury. Take
and protective clothing.
CAUTION
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